Advanced High Current and Voltage SiC Diodes for Power Switching

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$100,000.00
Award Year:
2002
Program:
SBIR
Phase:
Phase I
Contract:
N00014-03-M-0057
Agency Tracking Number:
O022-0042
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
United Silicon Carbide, Inc.
New Brunswick Tech Center, 100 Jersey Ave.Bldg D, New Brunswick, NJ, 08901
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
042068101
Principal Investigator:
Petre Alexandrov
Senior Research Engineer
(732) 565-9500
uscalexandrov@yahoo.com
Business Contact:
Maurice Weiner
Vice President
(732) 565-9500
uscweiner@yahoo.com
Research Institution:
n/a
Abstract
"We propose to design, fabricate and develop an advanced SiC diode that can lead to (i) substantially reduced volume and weight of power systems, (ii) greatly expanded operating temperature range, and (iii) drastically improved power efficiency and enhancedradiation tolerance. In Phase I, we propose to compare and optimize different designs of the proposed SiC power diodes. We shall develop the critical processing technology to demonstrate the feasibility for the proposed SiC diode. We shall use 4H-SiC tofabricate and demonstrate the proposed diode up to 30 kW and prove that the proposed diode design is the best in comparison to conventional diodes. We shall, in Phase I, package the fabricated diodes for DC characterization to show its advantages over theconventional diodes. We shall also characterize the packaged SiC diodes in an inductively-loaded half-bridge inverter circuit to demonstrate its substantial switching advantages. In Phase II, we shall fully develop the processing technologies suitable forcommercial manufacturing in two voltage categories up to 225 kW for DOD and commercial applications. The fabricated diodes will be packaged with Si IGBTs and SiC power switches and evaluated by using an inverter system. High performance SiC diode for highfrequency, high power and high temperature applications including the Navy, the Air Force, and the Army high power motor control and power supply systems as well as numerous commerci

* information listed above is at the time of submission.

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